OpenTechnical

OT-2026-000067892

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000067892) never changes.

Identity and time

Publication numberOT-2026-000067892 · never reused
Internal UUID01a0ae8f-c4fc-75b4-aa38-bdebd7757b93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067892
StatusPUBLIC

Content hashes

Canonical texte0d055c4e0e4b2dc6d91ae87f99be8a8caea1c4ab28ce718cba33f88c3451515
Markdown2c8b00b5cea007b5a3f277476fa0f9f20f46b3f9f9be2af5c8ac827c945bf259
PDF
Publication page5677ffe7d8bb93064a2e2bfbc261c7be21e87bde2ddcae7604ab412ebae79d4b
Manifest38000138fb4530dfcad1e05297c47948c3f68fcdb4b2f3fa0bc629568af872c4

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturerTrozYuWGj5VWfbNK90HnxE4S9K/KMBvQgFz3Z0d8emj0/UwgMRoqWi70uByc5hcpZT203g2yIh4+C24sF0jBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:17.402292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067892
observed 5677ffe7d8bb93064a2e2bfbc261c7be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.385008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067892/manifest.json
observed 38000138fb4530dfcad1e05297c47948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.366297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067892/publication.md
observed 2c8b00b5cea007b5a3f277476fa0f9f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.349491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067892/publication.txt
observed e0d055c4e0e4b2dc6d91ae87f99be8a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.